/* ============================================================
   222bt.cyou - mobile-first chrome
   prefix: mobile49fbc-
   palette: #E9ECEF #191970 #1E1E1E #4DB6AC #AFEEEE #ADD8E6
   design key: round title + compact body, near-straight corners,
   outlined tile cards, short list rhythm, sliding focus bar,
   full-width primary CTA.
   ============================================================ */

/* ---------- variables ---------- */
:root{
  --mobile49fbc-ink:#191970;
  --mobile49fbc-shell:#1E1E1E;
  --mobile49fbc-shell-2:#14142a;
  --mobile49fbc-panel:#1b1b2e;
  --mobile49fbc-line:#2c2c44;
  --mobile49fbc-teal:#4DB6AC;
  --mobile49fbc-mint:#AFEEEE;
  --mobile49fbc-sky:#ADD8E6;
  --mobile49fbc-paper:#E9ECEF;
  --mobile49fbc-muted:#9aa0c0;
  --mobile49fbc-warn:#ffd479;
  --mobile49fbc-track:rgba(173,216,230,0.10);
  --mobile49fbc-shadow:0 10px 26px rgba(0,0,0,0.45);
  --mobile49fbc-radius:3px;
  --mobile49fbc-radius-lg:5px;
  --mobile49fbc-tap:44px;
  --mobile49fbc-bar:54px;
  --mobile49fbc-gutter:12px;
  --mobile49fbc-ff-title:"Baloo 2","Hind Siliguri","Noto Sans Bengali",system-ui,Segoe UI,Roboto,sans-serif;
  --mobile49fbc-ff-body:"Hind Siliguri","Noto Sans Bengali",system-ui,Segoe UI,Roboto,sans-serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{ -webkit-text-size-adjust:100%; text-size-adjust:100%; }
body{
  margin:0;
  font-family:var(--mobile49fbc-ff-body);
  background:var(--mobile49fbc-shell);
  color:var(--mobile49fbc-paper);
  line-height:1.55;
  font-size:15px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--mobile49fbc-mint);text-decoration:none}
a:focus-visible,button:focus-visible{
  outline:2px solid var(--mobile49fbc-teal);
  outline-offset:2px;
}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-family:var(--mobile49fbc-ff-title);font-weight:800;line-height:1.22;margin:0 0 .45em;color:var(--mobile49fbc-paper)}
h1{font-size:1.62rem;letter-spacing:.2px}
h2{font-size:1.22rem}
h3{font-size:1.02rem}
p{margin:0 0 .85em}
ul,ol{margin:0 0 1em;padding-left:1.15em}
li{margin:0 0 .35em}
small{font-size:.82rem;color:var(--mobile49fbc-muted)}

/* ---------- canvas ---------- */
.mobile49fbc-stage{
  max-width:430px;
  margin:0 auto;
  min-height:100vh;
  background:linear-gradient(180deg,#101025 0%,#1E1E1E 38%,#191946 100%);
  position:relative;
  box-shadow:var(--mobile49fbc-shadow);
  padding-bottom:calc(var(--mobile49fbc-bar) + 14px);
}

/* ---------- top brand bar ---------- */
.mobile49fbc-top{
  position:sticky;
  top:0;
  z-index:60;
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px var(--mobile49fbc-gutter);
  background:linear-gradient(90deg,#0f0f24 0%,#191970 100%);
  border-bottom:1px solid var(--mobile49fbc-line);
}
.mobile49fbc-brand{
  display:flex;align-items:center;gap:8px;
  min-width:0;flex:1;
}
.mobile49fbc-brand .mobile49fbc-logo{
  width:34px;height:34px;border-radius:var(--mobile49fbc-radius);
  object-fit:cover;border:1px solid var(--mobile49fbc-teal);
  background:#081226;flex:none;
}
.mobile49fbc-brand b{
  font-family:var(--mobile49fbc-ff-title);
  color:var(--mobile49fbc-paper);font-size:1.08rem;font-weight:800;
  letter-spacing:.4px;white-space:nowrap;
}
.mobile49fbc-brand b span{color:var(--mobile49fbc-teal)}
.mobile49fbc-acts{display:flex;align-items:center;gap:6px}
.mobile49fbc-btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:var(--mobile49fbc-tap);padding:0 14px;
  font-family:var(--mobile49fbc-ff-body);font-weight:700;font-size:.86rem;
  border-radius:var(--mobile49fbc-radius);
  border:1px solid var(--mobile49fbc-teal);
  color:var(--mobile49fbc-mint);background:rgba(77,182,172,0.08);
  transition:background .18s ease,color .18s ease,transform .12s ease;
}
.mobile49fbc-btn:hover,.mobile49fbc-btn:active{background:rgba(77,182,172,0.22);color:#fff}
.mobile49fbc-btn--solid{
  background:linear-gradient(90deg,#4DB6AC 0%,#ADD8E6 110%);
  color:#0c1230;border-color:transparent;font-weight:800;
}
.mobile49fbc-btn--solid:hover,.mobile49fbc-btn--solid:active{filter:brightness(1.08);color:#0c1230}
.mobile49fbc-btn--ghost{
  border-color:var(--mobile49fbc-line);color:var(--mobile49fbc-paper);background:transparent;
}
.mobile49fbc-burger{
  width:var(--mobile49fbc-tap);height:var(--mobile49fbc-tap);
  display:inline-flex;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);background:#0e0e22;
}
.mobile49fbc-burger i{display:block;width:18px;height:2px;background:var(--mobile49fbc-mint);border-radius:2px}

/* ---------- slide-down route panel ---------- */
.mobile49fbc-menu{
  position:sticky;
  top:calc(var(--mobile49fbc-bar) + 8px);
  z-index:55;
  margin:0 var(--mobile49fbc-gutter) 8px;
  background:var(--mobile49fbc-panel);
  border:1px solid var(--mobile49fbc-line);
  border-radius:var(--mobile49fbc-radius-lg);
  padding:8px;
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .26s ease,opacity .2s ease,padding .2s ease;
}
.mobile49fbc-menu.is-open{max-height:540px;opacity:1;padding:10px}
.mobile49fbc-menu-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:6px;
}
.mobile49fbc-menu-grid a{
  display:block;min-height:40px;padding:8px 10px;
  font-size:.86rem;color:var(--mobile49fbc-paper);
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);
  background:#11132a;
}
.mobile49fbc-menu-grid a:hover,.mobile49fbc-menu-grid a:focus-visible{
  border-color:var(--mobile49fbc-teal);color:var(--mobile49fbc-mint);
}
.mobile49fbc-menu-foot{
  display:flex;gap:6px;margin-top:8px;
}
.mobile49fbc-menu-foot .mobile49fbc-btn{flex:1}

/* ---------- marquee notice ---------- */
.mobile49fbc-notice{
  display:flex;align-items:center;gap:8px;
  margin:0 var(--mobile49fbc-gutter) 10px;
  padding:8px 10px;
  background:#0b1430;border:1px solid var(--mobile49fbc-line);
  border-left:3px solid var(--mobile49fbc-teal);
  border-radius:var(--mobile49fbc-radius);
  font-size:.8rem;color:var(--mobile49fbc-sky);
}
.mobile49fbc-notice b{color:var(--mobile49fbc-mint);font-family:var(--mobile49fbc-ff-title)}

/* ---------- generic section frame ---------- */
.mobile49fbc-section{
  margin:0 var(--mobile49fbc-gutter) 22px;
}
.mobile49fbc-sectionHead{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:8px;margin:0 0 10px;padding-bottom:6px;
  border-bottom:1px solid var(--mobile49fbc-line);
  position:relative;
}
.mobile49fbc-sectionHead::after{
  content:"";position:absolute;left:0;bottom:-1px;height:2px;width:36px;
  background:var(--mobile49fbc-teal);
  transition:width .26s ease;
}
.mobile49fbc-sectionHead:hover::after,.mobile49fbc-sectionHead:focus-within::after{width:72px}
.mobile49fbc-sectionHead h2{margin:0;font-size:1.12rem}
.mobile49fbc-sectionHead .mobile49fbc-tag{
  font-size:.72rem;color:var(--mobile49fbc-mint);
  border:1px solid var(--mobile49fbc-line);padding:2px 8px;border-radius:999px;
  background:#0c1233;
}
.mobile49fbc-lead{color:var(--mobile49fbc-muted);font-size:.88rem;margin:0 0 12px}

/* ---------- hero carousel ---------- */
.mobile49fbc-hero{
  margin:0 var(--mobile49fbc-gutter) 18px;
  border:1px solid var(--mobile49fbc-line);
  border-radius:var(--mobile49fbc-radius-lg);
  background:#0a0e22;overflow:hidden;
}
.mobile49fbc-hero-track{
  display:flex;scroll-snap-type:x mandatory;overflow-x:auto;
  scrollbar-width:none;
}
.mobile49fbc-hero-track::-webkit-scrollbar{display:none}
.mobile49fbc-hero-slide{
  flex:0 0 100%;scroll-snap-align:start;
  position:relative;display:block;
}
.mobile49fbc-hero-slide img{
  width:100%;height:170px;object-fit:cover;
  border-radius:var(--mobile49fbc-radius-lg);
}
.mobile49fbc-hero-cap{
  position:absolute;left:10px;right:10px;bottom:10px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:linear-gradient(0deg,rgba(8,10,28,0.92) 0%,rgba(8,10,28,0.0) 100%);
  padding:18px 10px 8px;border-radius:0 0 var(--mobile49fbc-radius-lg) var(--mobile49fbc-radius-lg);
}
.mobile49fbc-hero-cap b{font-family:var(--mobile49fbc-ff-title);color:#fff;font-size:.98rem;line-height:1.2}
.mobile49fbc-hero-cap small{color:var(--mobile49fbc-sky);font-size:.72rem;display:block;margin-top:2px}
.mobile49fbc-hero-cap .mobile49fbc-btn{padding:6px 12px;min-height:34px;font-size:.78rem}
.mobile49fbc-hero-dots{
  display:flex;justify-content:center;gap:6px;padding:8px 0 10px;
}
.mobile49fbc-hero-dots i{
  width:18px;height:3px;border-radius:2px;background:var(--mobile49fbc-line);
  transition:background .2s ease,width .2s ease;
}
.mobile49fbc-hero-dots i.is-on{background:var(--mobile49fbc-teal);width:30px}

/* ---------- category anchor strip ---------- */
.mobile49fbc-catStrip{
  display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;
  margin:0 var(--mobile49fbc-gutter) 14px;padding-bottom:2px;
}
.mobile49fbc-catStrip::-webkit-scrollbar{display:none}
.mobile49fbc-catStrip a,
.mobile49fbc-catStrip button{
  flex:none;min-height:36px;padding:6px 12px;
  font-size:.82rem;color:var(--mobile49fbc-paper);
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);
  background:#0c1233;
}
.mobile49fbc-catStrip a:hover,
.mobile49fbc-catStrip button:hover{border-color:var(--mobile49fbc-teal);color:var(--mobile49fbc-mint)}

/* ---------- outlined tile grid ---------- */
.mobile49fbc-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
}
.mobile49fbc-tile{
  display:flex;flex-direction:column;
  background:#0c1030;border:1px solid var(--mobile49fbc-line);
  border-radius:var(--mobile49fbc-radius);
  padding:5px 5px 7px;position:relative;
  transition:border-color .18s ease,transform .12s ease,background .18s ease;
}
.mobile49fbc-tile:hover,.mobile49fbc-tile:focus-visible{
  border-color:var(--mobile49fbc-teal);
  background:#0f1538;
  transform:translateY(-1px);
}
.mobile49fbc-tile .mobile49fbc-thumb{
  width:100%;aspect-ratio:1/1;object-fit:cover;
  border-radius:2px;background:#081226;
  border:1px solid #1c2040;
}
.mobile49fbc-tile b{
  display:block;margin-top:5px;font-size:.7rem;line-height:1.18;
  font-family:var(--mobile49fbc-ff-body);font-weight:600;color:var(--mobile49fbc-paper);
  min-height:1.9em;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.mobile49fbc-tile em{
  position:absolute;top:6px;left:6px;font-style:normal;font-size:.58rem;
  padding:1px 5px;border-radius:2px;background:#191970;color:var(--mobile49fbc-mint);
  border:1px solid #2c2c64;
}

/* ---------- compact list ---------- */
.mobile49fbc-rows{
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);
  background:#0b1029;overflow:hidden;
}
.mobile49fbc-rows li{
  list-style:none;margin:0;padding:10px 12px;
  border-bottom:1px solid var(--mobile49fbc-line);
  font-size:.86rem;color:var(--mobile49fbc-paper);
}
.mobile49fbc-rows li:last-child{border-bottom:0}
.mobile49fbc-rows li b{color:var(--mobile49fbc-mint);font-family:var(--mobile49fbc-ff-title)}
.mobile49fbc-rows ul{padding:0;margin:0;list-style:none}

/* ---------- feature pair tiles ---------- */
.mobile49fbc-feat{
  display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
}
.mobile49fbc-feat article{
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);
  padding:10px;background:#0b1029;
}
.mobile49fbc-feat article b{
  display:block;font-family:var(--mobile49fbc-ff-title);color:var(--mobile49fbc-mint);
  font-size:.92rem;margin-bottom:4px;
}
.mobile49fbc-feat article span{font-size:.8rem;color:var(--mobile49fbc-muted)}

/* ---------- inline promo CTA ---------- */
.mobile49fbc-cta{
  display:block;width:100%;text-align:center;
  min-height:var(--mobile49fbc-tap);padding:12px 14px;
  background:linear-gradient(90deg,#4DB6AC 0%,#ADD8E6 110%);
  color:#0c1230;font-weight:800;font-size:.95rem;
  border-radius:var(--mobile49fbc-radius);font-family:var(--mobile49fbc-ff-title);
}
.mobile49fbc-cta:hover{filter:brightness(1.08);color:#0c1230}
.mobile49fbc-cta--ghost{
  background:transparent;color:var(--mobile49fbc-mint);
  border:1px solid var(--mobile49fbc-teal);
}
.mobile49fbc-cta--ghost:hover{background:rgba(77,182,172,0.14);color:#fff}
.mobile49fbc-cta-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0}

/* ---------- prose blocks ---------- */
.mobile49fbc-prose p{color:#cdd2e6;font-size:.9rem}
.mobile49fbc-prose p b{color:var(--mobile49fbc-mint)}
.mobile49fbc-inline-link{color:var(--mobile49fbc-mint);border-bottom:1px dashed var(--mobile49fbc-teal);padding-bottom:1px}
.mobile49fbc-inline-link:hover{color:#fff;border-bottom-style:solid}

/* ---------- definition / term blocks ---------- */
.mobile49fbc-terms{display:grid;gap:8px}
.mobile49fbc-term{
  border:1px solid var(--mobile49fbc-line);border-left:3px solid var(--mobile49fbc-teal);
  border-radius:var(--mobile49fbc-radius);padding:8px 10px;background:#0b1029;
}
.mobile49fbc-term b{display:block;color:var(--mobile49fbc-mint);font-family:var(--mobile49fbc-ff-title);font-size:.88rem;margin-bottom:2px}
.mobile49fbc-term span{font-size:.82rem;color:var(--mobile49fbc-muted)}

/* ---------- takeaways chips ---------- */
.mobile49fbc-chips{display:flex;flex-wrap:wrap;gap:6px}
.mobile49fbc-chips span{
  display:inline-block;font-size:.76rem;color:var(--mobile49fbc-paper);
  padding:5px 10px;border:1px solid var(--mobile49fbc-line);border-radius:999px;background:#0c1233;
}
.mobile49fbc-chips span b{color:var(--mobile49fbc-mint)}

/* ---------- mini stats ---------- */
.mobile49fbc-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.mobile49fbc-stats div{
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);
  padding:10px 6px;text-align:center;background:#0b1029;
}
.mobile49fbc-stats div b{display:block;color:var(--mobile49fbc-mint);font-family:var(--mobile49fbc-ff-title);font-size:1.12rem;line-height:1}
.mobile49fbc-stats div span{font-size:.7rem;color:var(--mobile49fbc-muted);display:block;margin-top:4px}

/* ---------- extended footer ---------- */
.mobile49fbc-ext{
  margin:0 var(--mobile49fbc-gutter) 18px;
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius-lg);
  background:#0a0f28;overflow:hidden;
}
.mobile49fbc-ext--head{
  padding:10px 12px;display:flex;align-items:center;justify-content:space-between;
  background:linear-gradient(90deg,#0e0e22 0%,#191970 110%);
  border-bottom:1px solid var(--mobile49fbc-line);
}
.mobile49fbc-ext--head b{font-family:var(--mobile49fbc-ff-title);color:#fff;font-size:1rem}
.mobile49fbc-ext--head small{color:var(--mobile49fbc-sky);font-size:.72rem}
.mobile49fbc-ext--body{padding:10px 12px}
.mobile49fbc-promo-six{display:grid;grid-template-columns:repeat(2,1fr);gap:6px;margin:6px 0 10px}
.mobile49fbc-promo-six .mobile49fbc-btn{width:100%;min-height:38px;font-size:.78rem;padding:6px 8px}
.mobile49fbc-brandCard{
  display:flex;gap:10px;align-items:center;padding:8px;border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);background:#0b1029;margin-bottom:10px;
}
.mobile49fbc-brandCard img{width:40px;height:40px;border-radius:var(--mobile49fbc-radius);border:1px solid var(--mobile49fbc-teal);flex:none}
.mobile49fbc-brandCard p{margin:0;font-size:.78rem;color:var(--mobile49fbc-muted)}
.mobile49fbc-brandCard b{color:var(--mobile49fbc-mint);font-family:var(--mobile49fbc-ff-title);font-size:.92rem}
.mobile49fbc-dirTree{
  display:grid;grid-template-columns:repeat(2,1fr);gap:6px;
}
.mobile49fbc-dirTree a{
  display:block;font-size:.78rem;padding:6px 8px;
  border:1px solid var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);background:#0b1029;
  color:var(--mobile49fbc-paper);
}
.mobile49fbc-dirTree a:hover{border-color:var(--mobile49fbc-teal);color:var(--mobile49fbc-mint)}
.mobile49fbc-disclaimer{
  margin-top:10px;padding:8px 10px;
  border:1px dashed var(--mobile49fbc-line);border-radius:var(--mobile49fbc-radius);
  font-size:.72rem;color:var(--mobile49fbc-muted);background:#081226;
}

/* ---------- legal footer ---------- */
.mobile49fbc-legal{
  padding:12px var(--mobile49fbc-gutter);
  border-top:1px solid var(--mobile49fbc-line);
  background:#080a1c;text-align:center;
}
.mobile49fbc-legal small{color:#6c7196;display:block;line-height:1.5}
.mobile49fbc-legal b{color:var(--mobile49fbc-sky);font-family:var(--mobile49fbc-ff-title)}

/* ---------- fixed bottom nav ---------- */
.mobile49fbc-bottom{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  max-width:430px;margin:0 auto;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:linear-gradient(0deg,#070817 0%,#0d0f25 100%);
  border-top:1px solid var(--mobile49fbc-line);
  padding:4px 0 calc(4px + env(safe-area-inset-bottom));
}
.mobile49fbc-bottom a,
.mobile49fbc-bottom button{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:var(--mobile49fbc-bar);
  font-size:.64rem;color:#9aa0c0;gap:2px;padding:2px 2px;
  background:none;
}
.mobile49fbc-bottom a:hover,
.mobile49fbc-bottom button:hover{color:var(--mobile49fbc-mint)}
.mobile49fbc-bottom .mobile49fbc-ic{
  width:22px;height:22px;display:block;
}
.mobile49fbc-bottom a.is-active,
.mobile49fbc-bottom button.is-active{color:var(--mobile49fbc-mint)}
.mobile49fbc-bottom a.is-active::before,
.mobile49fbc-bottom button.is-active::before{
  content:"";position:absolute;left:50%;top:0;transform:translateX(-50%);
  width:26px;height:3px;border-radius:2px;background:var(--mobile49fbc-teal);
}
.mobile49fbc-bottom .mobile49fbc-label{display:none}
.mobile49fbc-bottom a:hover .mobile49fbc-label,
.mobile49fbc-bottom button:hover .mobile49fbc-label,
.mobile49fbc-bottom a.is-active .mobile49fbc-label,
.mobile49fbc-bottom button.is-active .mobile49fbc-label{display:block}

/* ---------- visually hidden helper ---------- */
.mobile49fbc-sr{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- responsive: 430px breakpoint ---------- */
@media (min-width:430px){
  .mobile49fbc-grid{grid-template-columns:repeat(5,1fr);gap:10px}
  .mobile49fbc-hero-slide img{height:200px}
  .mobile49fbc-promo-six{grid-template-columns:repeat(3,1fr)}
  .mobile49fbc-stats{grid-template-columns:repeat(3,1fr)}
  body{font-size:16px}
}

/* ---------- responsive: 375px fine-tune ---------- */
@media (min-width:375px){
  .mobile49fbc-grid{gap:9px}
  .mobile49fbc-tile b{font-size:.74rem}
}

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}